Table 2. Carbon Emission Factors
(Kilograms-carbon per million Btu)
|
Fuel Type |
Carbon Coefficient |
Combustion |
Adjusted |
|
Petroleum |
|||
|
Motor Gasoline |
19.33 |
0.990 |
19.14 |
|
Liquefied Petroleum Gas |
|||
|
Used as Fuel |
17.20 |
0.995 |
17.11 |
|
Used as Feedstock |
16.87 |
0.200 |
3.37 |
|
Jet Fuel |
19.33 |
0.990 |
19.14 |
|
Distillate Fuel |
19.95 |
0.990 |
19.75 |
|
Residual Fuel |
21.49 |
0.990 |
21.28 |
|
Asphalt and Road Oil |
20.62 |
0.000 |
0.00 |
|
Lubricants |
20.24 |
0.600 |
12.14 |
|
Petrochemical Feedstocks |
19.37 |
0.200 |
3.87 |
|
Kerosene |
19.72 |
0.990 |
19.52 |
|
Petroleum Coke |
27.85 |
0.500 |
13.93 |
|
Petroleum Still Gas |
17.51 |
0.995 |
17.42 |
|
Other Industrial |
20.31 |
0.990 |
20.11 |
|
Coal |
|||
|
Residential and Commercial |
25.92 |
0.990 |
25.66 |
|
Metallurgical |
25.55 |
0.990 |
25.29 |
|
Industrial Other |
25.61 |
0.990 |
25.39 |
|
Electric Utility1 |
25.74 |
0.990 |
24.486 |
|
Natural Gas |
|||
|
Used as Fuel |
14.47 |
0.995 |
14.40 |
|
Used as Feedstocks |
14.47 |
0.774 |
11.20 |
|
1Emission factors for coal used for electricity generation are specified
by coal supply region and types of coal, so the average carbon contents
for coal varies throughout the forecast. The 1998 average is 24.486. |
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